You should've received an email with more details about it. Maybe check your spam/junk folders if it has been routed there. If you believe your account has been suspended in error, you can always appeal it: https://goo.gl/aCCy8k . Hope this helps.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more