HTRS07 TM07 (Kastellorizo) - ESRI:103899

WKT

PROJCS["HTRS07_TM07_(Kastellorizo)", 
	GEOGCS["HTRS07", 
		DATUM["Hellenic_Terrestrial_Reference_System_2007", 
			SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Transverse_Mercator"], 
	PARAMETER["False_Easting", 500000.0], 
	PARAMETER["False_Northing", -2000000.0], 
	PARAMETER["Central_Meridian", 30.0], 
	PARAMETER["Scale_Factor", 1.0], 
	PARAMETER["Latitude_Of_Origin", 0.0], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["HTRS07_TM07_(Kastellorizo)", 
	BASEGEOGCRS["HTRS07", 
		DATUM["Hellenic_Terrestrial_Reference_System_2007", 
			ELLIPSOID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Longitude (lon)", east, 
			ORDER[1]], 
		AXIS["Latitude (lat)", north, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Transverse_Mercator", 
		METHOD["Transverse_Mercator"], 
		PARAMETER["False_Easting", 500000.0], 
		PARAMETER["False_Northing", -2000000.0], 
		PARAMETER["Central_Meridian", 30.0], 
		PARAMETER["Scale_Factor", 1.0], 
		PARAMETER["Latitude_Of_Origin", 0.0]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["Esri", "103899"]]

Data from @esri/proj-codes

{
  "wkid": 103899,
  "latestWkid": 103899,
  "gcsWkid": 104048,
  "macro": "PE_PCS_HTRS07_TM07_KASTELLORIZO",
  "name": "HTRS07_TM07_(Kastellorizo)",
  "wkt": "PROJCS[\"HTRS07_TM07_(Kastellorizo)\",GEOGCS[\"HTRS07\",DATUM[\"Hellenic_Terrestrial_Reference_System_2007\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",500000.0],PARAMETER[\"False_Northing\",-2000000.0],PARAMETER[\"Central_Meridian\",30.0],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",0.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"HTRS07_TM07_(Kastellorizo)\",BASEGEOGCRS[\"HTRS07\",DATUM[\"Hellenic_Terrestrial_Reference_System_2007\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Longitude (lon)\",east,ORDER[1]],AXIS[\"Latitude (lat)\",north,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Transverse_Mercator\",METHOD[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",500000.0],PARAMETER[\"False_Northing\",-2000000.0],PARAMETER[\"Central_Meridian\",30.0],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",0.0]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"Esri\",\"103899\"]]",
  "description": "HTRS07 TM07 (Kastellorizo)",
  "authority": "Esri",
  "version": "13.6.0",
  "deprecated": "no",
  "areaname": "Greece - Kastellorizo",
  "extent": {
    "slat": 36.102,
    "nlat": 36.173,
    "llon": 29.48,
    "rlon": 29.65
  }
}