Strong's #978: Bithunia (pronounced bee-thoo-nee'-ah)
 of uncertain derivation; Bithynia, a region of Asia:--Bithynia.
Thayer's Greek Lexicon:
 ́ 
 
  Bithunia 
 
 Bithynia = "a violent rushing" 
 1) a Roman province in Asia Minor, bounded by the Euxine Sea, the Propontis, Mysia, Phrygia, Galatia, Paphlagonia
 
  Part of Speech: noun proper locative
Relation: of uncertain derivation
 
Usage:
This word is used 2 times:
Acts 16:7: "they attempted to go into  Bithynia: but the Spirit suffered"
1 Peter 1:1: "Cappadocia, Asia, and  Bithynia,"