im 17 180cm and 76kg

i want to get fit. Im tired of havimg skinny arms and legs and then having lots of fats on my body mainly my ass which makes me look like a girl.

i want to lose fat but im not able to count calories. and im still on holidays and travelling but i wanma start now even though i only have. junk food to eat

and idk how to workout. i dont have a gym acess