Complex sentence: Southern Poland (former Austrian province of Galicia with Kraków Voivodeship, Lwów Voivodeship, Stanisławów Voivodeship and Tarnopol Voivodeship) was less developed, with a fairly dense rail network only around Krakow and Lwow.
Split into simpler sentences: Southern Poland (the former Austrian province of Galicia with Kraków Voivodeship, Lwów Voivodeship, Stanisławów Voivodeship, and Tarnopol Voivodeship) was less developed. The areas with a fairly dense rail network were only around Krakow and Lwow.