Alma 47:20

And it came to pass that Amalickiah marched with his armies (for he had gained his desires) to the land of Nephi, to the city of Nephi, which was the chief city.

Amalickiah marched with his armies to the land of Nephi. He went to the city of Nephi, which was the most important city. He had gotten what he wanted.

With his goal achieved, Amalickiah marched his armies to the city of Nephi, the Lamanite capital.