Unin-Kolonia [ˈunin kɔˈlɔɲa] is a village in the administrative district of Gmina Garwolin, within Garwolin County, Masovian Voivodeship, in east-central Poland.

[1] It lies approximately 3 kilometres (2 mi) east of Garwolin and 58 km (36 mi) south-east of Warsaw.

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