What is the name of antenna and connector in the image
This antenna type is called ceramic patch antenna.
If you google APM 2.5, you will find that it stands for ArduPilot Mega 2.5, which is a drone autopilot system, for which this GPS-receiver board (designator GY-GPS6MV2 on the PCB) is probably designed.
Yes, it is a U.FL connector, which is like you said also known as IPX (see this question: Difference between Hirose U.FL and IPEX connectors)