Hungary My holiday this year is shorter, nevertheless I still wanted to see some hills and a bit of the sea shore. So I planned a trip to Croatia via Bosna. And to make it in time, I moved by train to southern Hungary, to the town Baja. From there I started going south, first nicely through the flat plains following the Donau river and around the location of the Mohács battle with Turks. And after just a day of travel, I crossed the EU border into Serbia.   Serbia I went through Serbia for just a short time, still following the left bank of the Danube. In some places I was in Serbia and Croatia at the same time – the Croats recognize the border according to the historical…