Alexander Vygantas was the duke of which city in Lithuania?
Kernavė Kernavė was a medieval capital of the Grand Duchy of Lithuania and today is a tourist attraction and an archeological site (population 318, 1999). It is located in the Širvintos district municipality located in southeast Lithuania. A Lithuanian state cultural reserve was established in Kernavė in 1989. In 2004 Kernavė Archaeological Site was included into UNESCO world heritage list.
Balbieriškis Balbieriškis (Polish: "Balwierzyszki" German: "Bauwerischeck, Bauwersk" Russian: Бальвержишки, Бальберишкис ) a small town in Kaunas County in central Lithuania. It is situated on the left bank of the Neman River. As of 2011 it had a population of 966. The town was established by German lumberman Hanus, who received a plot of land in wilderness of Suvalkija from Grand Duke Sigismund I the Old. Hanus cleared the forest and built an estate. The settlement grew around the estate and was awarded city rights in 1530. However, the privileges were revoked in 1776.