(from L to R) Serbian President Aleksandar Vucic, Greek Prime Minister Alexis Tsipras, Romanian Prime Minister Viorica Dancila and Bulgarian Prime Minister Boyko Borisov join hands following a joint press conference, during a mini summit of the leaders of the four countries to discuss regional cooperation, in Thessaloniki, Greece, July 4, 2018. REUTERS/Alexandros Avramidis
THESSALONIKI, Greece (Reuters) - Greece, Bulgaria, Serbia and Romania will work closer on energy and transport projects to better connect their economies, their leaders said on Wednesday after a summit in Thessaloniki.
"Railway, highway and port interconnectivity offers our region an important geopolitical perspective," Greek Prime Minister Alexis Tsipras said at the meeting in northern Greece.
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