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@alexandraioana26 I am not in Japan any more but I will come back soon ;-)

How long was your trip? I am going to visit at the end of May for a week. Have you been to Nara?

I was in Japan for 3 weeks, and of course I've been in Nara. It's very easy from Kyoto, there are trains every 30 minutes. After less than one hour, you're in Nara. there is a lot to see in Nara, but all the temples are very close. So you just have to walk from one to another.
Don't miss Arashiyama too, you can stay a whole day there (about 30 mn by train from Kyoto station)

and one more question what's the best way to get to Osaka from Tokyo? :D
Merci beaucoup @japon

You're welcome ;-)
From Tokyo, some Shinkansen stop at Kyoto and some others to Osaka. But Shinkansen will arrive at shin-osaka, this station is not in town. So you will have to take another train to go downtown.
Another solution is to take a train to Kyoto, and then from Kyoto Station, another train to Osaka station.
You can plan all your train travels with http://www.hyperdia.com/en/ it's easy to use.
If you've got a lot of luggage, you can ask your hotel to send them with taqubin, it's not so expensive (about 1900 yens for a bit suitcase), so you can travel without carrying your luggage. And in Shinkansen there is not so many place for luggages.
Feel free to ask if you have any questions.