European route E61 forms part of the United Nations International E-road network, of which it is a Class A intermediate north–south route. 270 kilometres long, it connects the southern part of Austria

Sežana is a town in the Slovenian Littoral region of Slovenia, near the border with Italy. It is the seat of the Municipality of Sežana. Sežana is located on the Karst Plateau, 17 kilometres from Trie