ICAO		IATA		Other		Location
LTFD		EDO				Edremit/Korfez, Balikesir, TR (233 mi / 375 km SW)
				LB34		Stefanovo, Varna, BG (237 mi / 381 km NW)
LTAP		MZH				Merzifon, Amasya, TR (237 mi / 381 km E)
LRTZ						Tuzla (costinesti, Eforie Sud) [Tuzle Airfield], Constanta, RO (240 mi / 386 km NW)
				LB43		Tolbukhin [Dobrich], Varna, BG (242 mi / 390 km NW)
LTAZ		NAV				Nevsehir [Nevsehir Kapadokya Airport], Nevsehir, TR (243 mi / 391 km SE)
				LB18		Tenevo, Burgas, BG (247 mi / 398 km NW)
LTBH		CKZ				Canakkale, Çanakkale, TR (248 mi / 399 km W)
				LB35		Golyama Smolnitsa, Varna, BG (248 mi / 399 km NW)
				LB38		Mustrak, Haskovo, BG (250 mi / 403 km W)
				LB19		Stralca [Zimnitsa], Burgas, BG (251 mi / 404 km NW)
				LB33		Leskovo, Varna, BG (253 mi / 408 km NW)
LBIA		JAM		LB44		Bezmer (Yambol, Jambol) [Bezmer AB], Burgas, BG (260 mi / 419 km NW)
LGAL		AXD				Alexandroupolis [Dimokritos], Anatolikí Makedonía kai Thráki, GR (264 mi / 425 km W)
LRCK		CND				Constanta [Mihail Kogainiceanu Intl], Constanta, RO (265 mi / 426 km NW)
LBSL				LB17		Sliven, Burgas, BG (265 mi / 427 km NW)
LGMT		MJT				Mytilene (Mitilini), Lesbos Island, Voreío Aigaío, GR (269 mi / 433 km SW)
		IZM				Izmir [Metro Area], TR (272 mi / 437 km SW)
				LB16		Turgovishte Bukhovtsi, Razgrad, BG (272 mi / 438 km NW)
LBTG		TGV				Bukhovtsi [Targovishte Airport (Bukhovtsi Airfield)], Plovdiv, BG (272 mi / 438 km NW)

Perhaps you wanted a map of 41N-31E?