When you check your bank statement and notice a charge from an unknown city, it could be a sign of a transaction you forgot or fraudulent activity. Either way, it's crucial to verify every charge on your statement to avoid confusion or fraud. If you do not recognize a charge, it is strongly recommended that you contact your bank immediately for assistance.

It is important to understand that bank fraud is becoming more and more common these days, and that fraudsters can use sophisticated techniques to gain access to your personal and financial information. Therefore, it is essential to remain vigilant and regularly monitor your bank statements for any suspicious activity.

In the event of an unknown debit, it is also advisable to check your other financial accounts to ensure that there are no other suspicious transactions. If you see any fraudulent activity, it's important to report the problem to your bank immediately and follow their instructions to resolve the issue.

In summary, regularly checking your bank statements is essential to avoid fraud and errors. If you notice an unknown charge, don't panic, but take immediate action to protect your finances and your identity. Contact your bank for assistance and follow their instructions to resolve the issue.