Key West had become a port of entry in 1822.
San Francisco was a port of entry for the family many times.
Then Tom went into the station through the entry port.
Houston became a port of entry on July 16, 1870.
The city was a major port of entry for immigrants.
He went to the entry port to welcome the young lady.
Their port of entry is often a social group, rather than a worship service.
The Government tries to deal with the problem at ports of entry.
Even then, you could reach your initial port of entry and sent home.
Even with a visa, one can be turned back at any port of entry.