diff --git a/addons/client/functions/fnc_convertClientLocation.sqf b/addons/client/functions/fnc_convertClientLocation.sqf
index da2ef15..1b00f1f 100644
--- a/addons/client/functions/fnc_convertClientLocation.sqf
+++ b/addons/client/functions/fnc_convertClientLocation.sqf
@@ -107,6 +107,9 @@ switch (toLower worldName) do {
 	case "rut_mandol": {
 		_realLocation = _position call armatak_fnc_convert_to_rut_mandol;
 	};
+	case "hellanmaa": {
+		_realLocation = _position call armatak_fnc_convert_to_hellanmaa;
+	};
 	default {
 		_warning = format ["<t color='#FF8021'>ARMATAK</t><br/> %1", "Unsupported Map"];
 		[[_warning, 1.5]] call CBA_fnc_notify;
diff --git a/addons/main/CfgFunctions.hpp b/addons/main/CfgFunctions.hpp
index 38d9825..4ea274a 100644
--- a/addons/main/CfgFunctions.hpp
+++ b/addons/main/CfgFunctions.hpp
@@ -122,6 +122,9 @@ class CfgFunctions {
 			class convert_to_rut_mandol {
 				file = "\armatak\armatak\addons\main\functions\map\fn_convert_to_rut_mandol.sqf";
 			};
+			class convert_to_hellanmaa {
+				file = "\armatak\armatak\addons\main\functions\map\fn_convert_to_hellanmaa.sqf";
+			};
 		};
 	};
 };
diff --git a/addons/main/functions/map/fn_convert_to_hellanmaa.sqf b/addons/main/functions/map/fn_convert_to_hellanmaa.sqf
new file mode 100644
index 0000000..28340c5
--- /dev/null
+++ b/addons/main/functions/map/fn_convert_to_hellanmaa.sqf
@@ -0,0 +1,30 @@
+params ["_longitudeInGame", "_latitudeInGame", "_altitude"];
+
+private _mapWidth = 8192;
+private _mapHeight = 8192;
+
+//    SW corner (used as origin)
+private _SW_lat = 63.005389;
+private _SW_lon = 22.638957;
+
+//    SE corner
+private _SE_lat = 63.010092;
+private _SE_lon = 22.800107;
+
+//    NW corner
+private _NW_lat = 63.078713;
+private _NW_lon = 22.628542;
+
+private _edgeSE_lat = _SE_lat - _SW_lat;
+private _edgeSE_lon = _SE_lon - _SW_lon;
+
+private _edgeNW_lat = _NW_lat - _SW_lat;
+private _edgeNW_lon = _NW_lon - _SW_lon;
+
+private _fx = _longitudeInGame / _mapWidth;
+private _fy = _latitudeInGame / _mapHeight;
+
+private _realLat = _SW_lat + (_fx * _edgeSE_lat) + (_fy * _edgeNW_lat);
+private _realLon = _SW_lon + (_fx * _edgeSE_lon) + (_fy * _edgeNW_lon);
+
+[_realLat, _realLon, _altitude]