diff --git a/ports/upa-url/cxx-standard.patch b/ports/upa-url/cxx-standard.patch
new file mode 100644
index 0000000000..745e2e2f2f
--- /dev/null
+++ b/ports/upa-url/cxx-standard.patch
@@ -0,0 +1,32 @@
+diff --git a/include/upa/config.h b/include/upa/config.h
+index 46a5bc5..0264380 100644
+--- a/include/upa/config.h
++++ b/include/upa/config.h
+@@ -12,14 +12,16 @@
+ # endif
+ #endif
+ 
++#define UPA_CXX_STANDARD @UPA_CXX_STANDARD@  // NOLINT(*-macro-*)
++
+ // Define UPA_CPP_20 if compiler supports C++20 or later standard
+-#if defined(_MSVC_LANG) ? (_MSVC_LANG >= 202002) : (__cplusplus >= 202002)
++#if UPA_CXX_STANDARD >= 20
+ # define UPA_CPP_20
+ #endif
+ 
+ // Define UPA_CPP_17 if compiler supports C++17 or later standard
+ // https://devblogs.microsoft.com/cppblog/msvc-now-correctly-reports-__cplusplus/
+-#if defined(_MSVC_LANG) ? (_MSVC_LANG >= 201703) : (__cplusplus >= 201703)
++#if UPA_CXX_STANDARD >= 17
+ # define UPA_CPP_17
+ # define UPA_FALLTHROUGH [[fallthrough]];
+ # define UPA_CONSTEXPR_17 constexpr
+@@ -32,7 +34,7 @@
+ 
+ // Define UPA_CPP_14 if compiler supports C++14 or later
+ // Note: Visual Studio 2015 (14.0; _MSC_VER == 1900) lacks sufficient C++14 support
+-#if defined(_MSVC_LANG) ? (_MSVC_LANG >= 201402 && _MSC_VER > 1900) : (__cplusplus >= 201402)
++#if UPA_CXX_STANDARD >= 14
+ # define UPA_CPP_14
+ # define UPA_CONSTEXPR_14 constexpr
+ #else
diff --git a/ports/upa-url/portfile.cmake b/ports/upa-url/portfile.cmake
new file mode 100644
index 0000000000..926301cb0e
--- /dev/null
+++ b/ports/upa-url/portfile.cmake
@@ -0,0 +1,34 @@
+vcpkg_from_github(
+  OUT_SOURCE_PATH SOURCE_PATH
+  REPO upa-url/upa
+  REF "v${VERSION}"
+  SHA512 6217d2ec00191d125b94d86ea1bc094d5386ee9ebe7368d5ffa74161ab911d2409833239ff6874b185a7deb838a50a6b06cb79f287d16095227c83494e4fd1b4
+  HEAD_REF main
+  PATCHES
+    cxx-standard.patch
+)
+
+if("cxx11" IN_LIST FEATURES)
+  set(UPA_CXX_STANDARD 11)
+else()
+  set(UPA_CXX_STANDARD 17)
+endif()
+
+vcpkg_replace_string(${SOURCE_PATH}/include/upa/config.h
+  "@UPA_CXX_STANDARD@" "${UPA_CXX_STANDARD}"
+)
+
+vcpkg_cmake_configure(
+  SOURCE_PATH "${SOURCE_PATH}"
+  OPTIONS
+    -DCMAKE_CXX_STANDARD=${UPA_CXX_STANDARD}
+    -DCMAKE_CXX_STANDARD_REQUIRED=ON
+    -DUPA_BUILD_TESTS=OFF
+)
+
+vcpkg_cmake_install()
+vcpkg_cmake_config_fixup(PACKAGE_NAME "upa" CONFIG_PATH "lib/cmake/upa")
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")
diff --git a/ports/upa-url/vcpkg.json b/ports/upa-url/vcpkg.json
new file mode 100644
index 0000000000..ae457e398b
--- /dev/null
+++ b/ports/upa-url/vcpkg.json
@@ -0,0 +1,22 @@
+{
+  "name": "upa-url",
+  "version": "1.0.0",
+  "description": "An implementation of the WHATWG URL Standard in C++",
+  "homepage": "https://github.com/upa-url/upa",
+  "license": "BSD-2-Clause",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ],
+  "features": {
+    "cxx11": {
+      "description": "Compile library with C++11 (for use in C++11 and C++14 projects)"
+    }
+  }
+}
diff --git a/versions/baseline.json b/versions/baseline.json
index 3c2b5de0d4..a689bce00f 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -9144,6 +9144,10 @@
       "baseline": "7.0.7",
       "port-version": 0
     },
+    "upa-url": {
+      "baseline": "1.0.0",
+      "port-version": 0
+    },
     "upb": {
       "baseline": "4.25.1",
       "port-version": 1
diff --git a/versions/u-/upa-url.json b/versions/u-/upa-url.json
new file mode 100644
index 0000000000..796a48ef5f
--- /dev/null
+++ b/versions/u-/upa-url.json
@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "cf986c3938d7f479923887f031f0748ee3f81229",
+      "version": "1.0.0",
+      "port-version": 0
+    }
+  ]
+}