In Lithuania: Panevezys County

Panevezys county is comprised of Panevezys city and five municipalities: Birzai m., Pasvalys m., Rokiskis m., Kupiskis m. and Panevezys m. If your ancestors were from this region, or you have questions about this area, please discuss in this forum.

Wikipedia page for Panevezys county.
Panevėžys County Gabrielė Petkevičaitė-Bitė Public Library website in Lithuanian.

2001 Census
Panevezys County's rural settlements and their inhabitants.

Lithuanian Army Records for the Wars for Independence (1919-1920)
This site is in Lithuanian, but it is a valuable resource in finding ancestors who stayed behind in Lithuania, or emigrated later.  It lists
volunteers for the Lithuanian Army during the Wars for Independence. 
The link below will take you to the names beginning with "A".   Just
click on the first letter of the surname for which are searching.

Fulfillment of military service earned the soldier free land.  The descriptions
generally give a certificate number, and where the land was granted. 
Birthdays and relative information may also be listed.

http://www.versme.lt/sav_a.htm