This Bu-181 was flown from Croatia on 21st April 1945 to Falconara airfield in Italy by lt. Zvonimir Planinc and capt. Miskovic. Croatian Messer 109G14/AS "black 4" in the background was flown in few days earlier by Vladimir Sandtner (on 16th April).
You can find photo of this Bu-181 still with Croatian markings here: 57th Bomb Wing Association Archives