Apple manufactures in many locations around the world, and Amazon is well known for moving product between countries to meet demand. What any other user sees (even in your home street) is no certainty about what you should see.
There are a few easy checks you can make to help determine genuine AirPods.
(1) Do the AirPods pair and work as expected with your iPhone? Connect your AirPods and AirPods Pro to your iPhone - Apple Support
(2) Find the serial number (check the box and also in your iPhone's electronic detail) and put it into the coverage checker. Does the purchase date match at least approximately to allow for shipping delays, etc?
Find the serial number of your AirPods - Apple Support
Check Your Service and Support Coverage - Apple Support
If these stack up there is a very high probability your AirPods are genuine Apple products. The only absolute certainty would be to purchase AppleCare+ or arrange a Genius Bar appointment to get them examined (in hand) by Apple.