Montenegro being the smallest former republic - now independent state - of Yugoslavia is known for their legendary lazy people. In Montenegro, there is not much to see: a lot of rocks, steep slopes and part of the Adriatic coast. There's extraordinary heat for most of the year, so I guess this is probably one of the most important reasons for the Montenegrin laziness. Below are actually ten unofficial commandments of Montenegro, not any joke, but they are worth reading:

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Croatia, considered as the second most developed republic in Yugoslavia was semi-agricultural orientated with a huge and beautiful coast side along Istria, and Dalmatia. Croats were considered as nationalistic, but quite developed nation. Not that this following joke characterizes Croats - it's just one introductory joke about Croatians: