diff --git a/indra/llui/llurlentry.cpp b/indra/llui/llurlentry.cpp
index e51f28e2e9b19ee8d973b06090c4058ea79f6ccc..4f7b4be52609206899dee5e9934bdf6c9aa49d62 100644
--- a/indra/llui/llurlentry.cpp
+++ b/indra/llui/llurlentry.cpp
@@ -805,6 +805,69 @@ std::string LLUrlEntryPlace::getLocation(const std::string &url) const
 	return ::getStringAfterToken(url, "://");
 }
 
+//
+// LLUrlEntryRegion Describes secondlife:///app/region/REGION_NAME/X/Y/Z URLs, e.g.
+// secondlife:///app/region/Ahern/128/128/0
+//
+LLUrlEntryRegion::LLUrlEntryRegion()
+{
+	mPattern = boost::regex("secondlife:///app/region/[^/\\s]+(/\\d+)?(/\\d+)?(/\\d+)?/?",
+							boost::regex::perl|boost::regex::icase);
+	mMenuName = "menu_url_slurl.xml";
+	mTooltip = LLTrans::getString("TooltipSLURL");
+}
+
+std::string LLUrlEntryRegion::getLabel(const std::string &url, const LLUrlLabelCallback &cb)
+{
+	//
+	// we handle SLURLs in the following formats:
+	//   - secondlife:///app/region/Place/X/Y/Z
+	//   - secondlife:///app/region/Place/X/Y
+	//   - secondlife:///app/region/Place/X
+	//   - secondlife:///app/region/Place
+	//
+
+	LLSD path_array = LLURI(url).pathArray();
+	S32 path_parts = path_array.size();
+
+	if (path_parts < 3) // no region name
+	{
+		llwarns << "Failed to parse url [" << url << "]" << llendl;
+		return url;
+	}
+
+	std::string label = unescapeUrl(path_array[2]); // region name
+
+	if (path_parts > 3) // secondlife:///app/region/Place/X
+	{
+		std::string x = path_array[3];
+		label += " (" + x;
+
+		if (path_parts > 4) // secondlife:///app/region/Place/X/Y
+		{
+			std::string y = path_array[4];
+			label += "," + y;
+
+			if (path_parts > 5) // secondlife:///app/region/Place/X/Y/Z
+			{
+				std::string z = path_array[5];
+				label = label + "," + z;
+			}
+		}
+
+		label += ")";
+	}
+
+	return label;
+}
+
+std::string LLUrlEntryRegion::getLocation(const std::string &url) const
+{
+	LLSD path_array = LLURI(url).pathArray();
+	std::string region_name = unescapeUrl(path_array[2]);
+	return region_name;
+}
+
 //
 // LLUrlEntryTeleport Describes a Second Life teleport Url, e.g.,
 // secondlife:///app/teleport/Ahern/50/50/50/
diff --git a/indra/llui/llurlentry.h b/indra/llui/llurlentry.h
index 43a667c3909599c3a950bd4d3b72d8eea0f59bb8..1791739061cdae4c3cf3db6891984ef99d2eeb08 100644
--- a/indra/llui/llurlentry.h
+++ b/indra/llui/llurlentry.h
@@ -301,6 +301,18 @@ public:
 	/*virtual*/ std::string getLocation(const std::string &url) const;
 };
 
+///
+/// LLUrlEntryRegion Describes a Second Life location Url, e.g.,
+/// secondlife:///app/region/Ahern/128/128/0
+///
+class LLUrlEntryRegion : public LLUrlEntryBase
+{
+public:
+	LLUrlEntryRegion();
+	/*virtual*/ std::string getLabel(const std::string &url, const LLUrlLabelCallback &cb);
+	/*virtual*/ std::string getLocation(const std::string &url) const;
+};
+
 ///
 /// LLUrlEntryTeleport Describes a Second Life teleport Url, e.g.,
 /// secondlife:///app/teleport/Ahern/50/50/50/
diff --git a/indra/llui/llurlregistry.cpp b/indra/llui/llurlregistry.cpp
index 478b412d5ea541a2bbd908d9b4f3055bede59882..523ee5d78c6534c1682d4aee4f166b52c92b4bab 100644
--- a/indra/llui/llurlregistry.cpp
+++ b/indra/llui/llurlregistry.cpp
@@ -54,6 +54,7 @@ LLUrlRegistry::LLUrlRegistry()
 	registerUrl(new LLUrlEntryGroup());
 	registerUrl(new LLUrlEntryParcel());
 	registerUrl(new LLUrlEntryTeleport());
+	registerUrl(new LLUrlEntryRegion());
 	registerUrl(new LLUrlEntryWorldMap());
 	registerUrl(new LLUrlEntryObjectIM());
 	registerUrl(new LLUrlEntryPlace());
diff --git a/indra/llui/tests/llurlentry_test.cpp b/indra/llui/tests/llurlentry_test.cpp
index 59c0826ad79de90257270e520cfeebbedabd3883..d0b2030d128414bc882d9c71c5bfb7fa6df62c3e 100644
--- a/indra/llui/tests/llurlentry_test.cpp
+++ b/indra/llui/tests/llurlentry_test.cpp
@@ -103,6 +103,45 @@ namespace tut
 		ensure_equals(testname, url, expected);
 	}
 
+	void dummyCallback(const std::string &url, const std::string &label, const std::string& icon)
+	{
+	}
+
+	void testLabel(const std::string &testname, LLUrlEntryBase &entry,
+				   const char *text, const std::string &expected)
+	{
+		boost::regex regex = entry.getPattern();
+		std::string label = "";
+		boost::cmatch result;
+		bool found = boost::regex_search(text, result, regex);
+		if (found)
+		{
+			S32 start = static_cast<U32>(result[0].first - text);
+			S32 end = static_cast<U32>(result[0].second - text);
+			std::string url = std::string(text+start, end-start);
+			label = entry.getLabel(url, dummyCallback);
+		}
+		ensure_equals(testname, label, expected);
+	}
+
+	void testLocation(const std::string &testname, LLUrlEntryBase &entry,
+					  const char *text, const std::string &expected)
+	{
+		boost::regex regex = entry.getPattern();
+		std::string location = "";
+		boost::cmatch result;
+		bool found = boost::regex_search(text, result, regex);
+		if (found)
+		{
+			S32 start = static_cast<U32>(result[0].first - text);
+			S32 end = static_cast<U32>(result[0].second - text);
+			std::string url = std::string(text+start, end-start);
+			location = entry.getLocation(url);
+		}
+		ensure_equals(testname, location, expected);
+	}
+
+
 	template<> template<>
 	void object::test<1>()
 	{
@@ -697,4 +736,114 @@ namespace tut
 				  "<nolink>My Object</nolink>",
 				  "My Object");
 	}
+
+	template<> template<>
+	void object::test<13>()
+	{
+		//
+		// test LLUrlEntryRegion - secondlife:///app/region/<location> URLs
+		//
+		LLUrlEntryRegion url;
+
+		// Regex tests.
+		testRegex("no valid region", url,
+				  "secondlife:///app/region/",
+				  "");
+
+		testRegex("invalid coords", url,
+				  "secondlife:///app/region/Korea2/a/b/c",
+				  "secondlife:///app/region/Korea2/"); // don't count invalid coords
+
+		testRegex("Ahern (50,50,50) [1]", url,
+				  "secondlife:///app/region/Ahern/50/50/50/",
+				  "secondlife:///app/region/Ahern/50/50/50/");
+
+		testRegex("Ahern (50,50,50) [2]", url,
+				  "XXX secondlife:///app/region/Ahern/50/50/50/ XXX",
+				  "secondlife:///app/region/Ahern/50/50/50/");
+
+		testRegex("Ahern (50,50,50) [3]", url,
+				  "XXX secondlife:///app/region/Ahern/50/50/50 XXX",
+				  "secondlife:///app/region/Ahern/50/50/50");
+
+		testRegex("Ahern (50,50,50) multicase", url,
+				  "XXX secondlife:///app/region/Ahern/50/50/50/ XXX",
+				  "secondlife:///app/region/Ahern/50/50/50/");
+
+		testRegex("Ahern (50,50) [1]", url,
+				  "XXX secondlife:///app/region/Ahern/50/50/ XXX",
+				  "secondlife:///app/region/Ahern/50/50/");
+
+		testRegex("Ahern (50,50) [2]", url,
+				  "XXX secondlife:///app/region/Ahern/50/50 XXX",
+				  "secondlife:///app/region/Ahern/50/50");
+
+		// DEV-21577: In-world SLURLs containing "(" or ")" are not treated as a hyperlink in chat
+		testRegex("Region with brackets", url,
+				  "XXX secondlife:///app/region/Burning%20Life%20(Hyper)/27/210/30 XXX",
+				  "secondlife:///app/region/Burning%20Life%20(Hyper)/27/210/30");
+
+		// DEV-35459: SLURLs and teleport Links not parsed properly
+		testRegex("Region with quote", url,
+				  "XXX secondlife:///app/region/A'ksha%20Oasis/41/166/701 XXX",
+			          "secondlife:///app/region/A%27ksha%20Oasis/41/166/701");
+
+		// Rendering tests.
+		testLabel("Render /app/region/Ahern/50/50/50/", url,
+			"secondlife:///app/region/Ahern/50/50/50/",
+			"Ahern (50,50,50)");
+
+		testLabel("Render /app/region/Ahern/50/50/50", url,
+			"secondlife:///app/region/Ahern/50/50/50",
+			"Ahern (50,50,50)");
+
+		testLabel("Render /app/region/Ahern/50/50/", url,
+			"secondlife:///app/region/Ahern/50/50/",
+			"Ahern (50,50)");
+
+		testLabel("Render /app/region/Ahern/50/50", url,
+			"secondlife:///app/region/Ahern/50/50",
+			"Ahern (50,50)");
+
+		testLabel("Render /app/region/Ahern/50/", url,
+			"secondlife:///app/region/Ahern/50/",
+			"Ahern (50)");
+
+		testLabel("Render /app/region/Ahern/50", url,
+			"secondlife:///app/region/Ahern/50",
+			"Ahern (50)");
+
+		testLabel("Render /app/region/Ahern/", url,
+			"secondlife:///app/region/Ahern/",
+			"Ahern");
+
+		testLabel("Render /app/region/Ahern/ within context", url,
+			"XXX secondlife:///app/region/Ahern/ XXX",
+			"Ahern");
+
+		testLabel("Render /app/region/Ahern", url,
+			"secondlife:///app/region/Ahern",
+			"Ahern");
+
+		testLabel("Render /app/region/Ahern within context", url,
+			"XXX secondlife:///app/region/Ahern XXX",
+			"Ahern");
+
+		testLabel("Render /app/region/Product%20Engine/", url,
+			"secondlife:///app/region/Product%20Engine/",
+			"Product Engine");
+
+		testLabel("Render /app/region/Product%20Engine", url,
+			"secondlife:///app/region/Product%20Engine",
+			"Product Engine");
+
+		// Location parsing texts.
+		testLocation("Location /app/region/Ahern/50/50/50/", url,
+			"secondlife:///app/region/Ahern/50/50/50/",
+			"Ahern");
+
+		testLocation("Location /app/region/Product%20Engine", url,
+			"secondlife:///app/region/Product%20Engine",
+			"Product Engine");
+	}
 }