3.519.04.03 is an administrative division of Roztocze, a region of Poland. This division comprises several rural gminas (municipalities): Zwierzyniec, Garbów, Tomaszów Lubelski, and Laszczów. These are located in the southeastern part of the Lublin Voivodeship. The area is characterized by rolling hills, small rivers, forests, and villages. The main industry is agricultural production, with farming and crop processing contributing the most to the local economy. Popular tourist attractions include the Zwierzyniec Castle, the Góra Zagloba Reserve, and Roztocze National Park.