Tarnobrzeg is included in the Kolbuszowa Region Research Group (KRRG). Shtetlach were interwoven together like a tapestry and the Jewish people of neighboring shtetlach linked by marriages, trade and marketing. They shared schools, cemeteries, kosher butchers, bakers and more. Smaller shtetlach registered their birth, marriages and death in a nearby larger shtetl. One should research the neighboring area as well as an individual shtetl. The KRRG web site has resources and information that is relevant to many shtetlach. To search for family links and learn more about neighboring shtetlach, please visit the Kolbuszowa Region Research Group.