St. Germain-en-Laye is a historic town located in the Yvelines department of France, just west of Paris. It is known for its beautiful parks, including the expansive Château de Saint-Germain-en-Laye park, which offers stunning views of the surrounding area. The town has a rich history, having been a royal residence and the birthplace of several French kings. The town features a charming blend of old and new architecture, with narrow streets lined with shops and cafes. St. Germain-en-Laye is also home to the National Archaeological Museum, which showcases artifacts from prehistoric to medieval times, making it a popular destination for history enthusiasts.