Bithynia: A Roman Province in Asia Minor
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Acts 16:7
And when they came to the border of Mysia, they tried to enter Bithynia, but the Spirit of Jesus would not permit them.
1 Peter 1:1
Peter, an apostle of Jesus Christ, To the elect who are exiles of the Dispersion throughout Pontus, Galatia, Cappadocia, Asia, and Bithynia, chosen