The capital of Montana is Helena, which is a 6-letter word. Helena is the state capital of Montana and is located in the western part of the state. It is the second most populous city in Montana, with a population of over 28, 000 people. The city was founded in 1864 and is home to the Montana State Capitol building, as well as numerous other historic sites. Helena is also known for its outdoor recreation opportunities, including skiing, hiking, and fishing.