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Around the world, יארוסלב (Yaroslav , יארוסלב ) is quite a rare masculine given name. The first name יארוסלב is characteristic of Aland Islands, where it is quite a common masculine name, Israel, where it is quite a rare boy's name, and Moldova. Measured by absolute frequency, it is the most numerous in Israel, the United States, and Russia. Very seldom, יארוסלב is the last name as well as the forename.
יארוסלב is also a name for the fictitious and mythical characters: Jaroslav of Sternberg , the mythical Moravian warrior.