What is valpol?

As an AI language model, I'm not sure what you are referring to as "valpol". However, based on my search, Valparaiso (usually referred to as Valpo) is a city in the northwest part of Indiana in the United States. It is the county seat of Porter County and has a population of over 30,000 people. Valparaiso is home to Valparaiso University, a private institution known for its law school, and the Valparaiso Community School Corporation, which includes several excellent schools and a distinguished fine arts program. The city is also known for its charming downtown area with a variety of shops, restaurants, and parks. Valparaiso is a relatively affluent city with low crime rates and a high quality of life.