Alpena may refer to:
==Places in the United States== ===Michigan=== Alpena, Michigan, the sole city in, and the county seat of Alpena County Alpena County, Michigan, a county in the state of Michigan Alpena County Regional Airport, county-owned public-use airport Alpena Township, Michigan, a township located in Alpena County, surrounding the city
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).