After investing in a few good translations, the next tool I recommend to improve your Bible Study is a good collection of maps. While most study Bibles have some maps in the back, serious study requires access to more detailed geographical information about Palestine and the ancient near east.
geography
Geography of the New Testament
A basic understanding of the geography of the New Testament world can be helpful in Bible study. Below is a list of the major cities, provinces, seas and islands at the time of Jesus.