The last day of the year in 2024, i gone in Palermo alone and i had meetAt the end of 2024, I travelled by myself to Palermo to meet up with my family.

You could also say: "At the end of 2024, I travelled alone to Palermo to meet up with my family."

It was a great daytime.

You have already implied that you were there for more than a day, so "day" should be replaced with "time", in reference to a period of time.

I have been 1was there for one week.

I will go in thevisit again next year.

You could also say: "I will go again next year".

The last day of the year in 2024, i gone inI went to Palermo alone and is I had to meet my family.

I have beenwas away for 1 week.

I will go in theagain next year

TOn the last day of the year in 2024, i gone in2024, I went to Palermo alone and i hadto meet my family.

I have been 1MY GUESS: I stayed there for one week.

I will go in there again next year.