A map of the Baltic Tribes, about 1200 AD.  The Eastern Balts are shown in brown hues while the Western Balts are shown in green. The boundaries are approximate. This map uses a Mercator projection.
Own work based on: a map by Marija Gimbutas, published in The Balts (1963) LCC 63018018. Available at Vaidilute.com (page 23 "Fig. 1.  Baltic tribes and provinces c. A.D. 1200" archive). In addition to Gimbutas, other maps were also consulted:

"Libiesi Citu Senas Latvijas Cilsu Vidu" (Livonians and other tribes of ancient Latvia 10th - 12th centuries) A map from the Latvijas Enciklopedja[dead link]
Map at Emokykla.LT
Another map at Emokykla.LT
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