You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What type of high population density geographical region is Palmyra , Pennsylvania a part of?" whose answer is Metropolitan statistical area.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Palmyra, Pennsylvania metropolitan area
Useful Output:

Doc 1: Land area: 1.86 square miles. Population density: 4,155 people per square mile (average). Palmyra, Pennsylvania map.
Doc 2: Palmyra is a borough in Lebanon County, Pennsylvania, United States. It is part of the Lebanon, PA Metropolitan Statistical Area. Latitude: 40° 18' 28.66" N
Doc 3: It is part of the Lebanon, Pennsylvania Metropolitan Statistical Area. The population was 7,807 at the 2020 census.
Doc 4: Welcome to Palmyra PA. North Londonderry Township (717) 838-1373. North Londonderry Police Department. Palmyra Borough (717) 838-6361.
Doc 5: Palmyra is a borough located in Lebanon County, Pennsylvania. Palmyra has a 2025 population of 7,622. Palmyra is currently declining at a rate of -0.52%