Congress is the House; and, the Senate.
Congress.gov is the best starting point. It lists members (note: not in order by District), roll call votes, bill summary and status, current legislative activities, and more.
To find what Congressional District you are in - My Voter Page, from the Georgia Secretary of State.
Congressional Directory, from GovInfo, has detailed information on members.
There are 2 Senators from each State. Georgia's Senators are:
For in-depth research, the Source Book from the LLSDC is ideal as a starting point.
They key free resource is:
Users may also want to consider searching in newspapers for articles about topics.
Congressional Research Service (CRS) Reports are authored by experts the Library of Congress (LC) for Members of Congress.
The Congressional Budget Office (CBO) also issues analyses of issues.
The Georgia Tech Library has access to two detailed resources, with many options for searching. They are:
Free resources (limited searching) include: