[noun (place)] + へ + 行く [noun (place)] + へ + 行きます
Note: へ can often be replaced with に
The pattern へ行く (へいく) is used to express going to a place or heading toward a destination. The particle へ indicates the direction of movement, and いく行く means "to go."
Attach へ to a destination noun, followed by いく行く (or its conjugated forms), to say "go to (place)."
In most cases, へ can be replaced with に when indicating a destination with いく行く. The difference is subtle: へ emphasizes the direction or the journey toward the destination, while に emphasizes the arrival point itself. In everyday conversation, they are largely interchangeable.
Since いく行く is a godan (う) verb, it conjugates normally. The particle へ stays the same regardless of the verb form.
へ行く is often combined with a purpose using に before the verb, creating a "go to (place) to do (something)" pattern: