Easton's Bible Dictionary (1897)
City on both sides, a Macedonian city, a great Roman military station, through which Paul and Silas passed on their way from Philippi to Thessalonica, a distance of 33 Roman miles from Philippi (Acts 17:1).
Smith's Bible Dictionary (1863)
(a city surrounded by the sea), a city of Macedonia, through which Paul and Silas passed on their way from Philippi to Thessalonica (Acts 17:1) It was distant 33 Roman miles from Philippi, to the southwest, and about three miles from the sea.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
AMPHIP'OLIS (around the city), a chief city of the southern portion of Macedonia under the Romans. The river Strymon flowed on both sides of the city, hence its name. It was 33 miles south-west of Philippi, and 3 miles from the sea. Paul and Silas passed through it. Acts 17:1. Neo-Khorio, or Neochori, a village of about 100 houses, now occupies a portion of the site of Amphipolis.