Budapest

Try to stay within what they call the "small crown" if you can, as you will be able to go everywhere easily, although you might have to pay more.
Here:

Basicaly the "small crown" is the yellow road forming a circle arround where you can see on the map above the districts 1 and 5 (Var & elvaros). You can also go a bit further, but try to stay within the "large crown", which in the map above is the incomplete circle that includes district 6, 7, 8 and 9 on the est side of the river (Pest) and on west side districts 11 & 12 (more or less: on the Buda side you have like small montains, some area feel quite sub-urban in a nice or less nice way depending where you are... I'd say it's good really to stay within the "small crown" on the Buda side, when on the Pest side you can go a bit further...) Not that the rest of the city is not nice, it's like everywhere, there's variations, but considering you are there for a short period, you would prefer to stay in the area of the town with more density...
If you find an appartment further away, make sure you are on one of the two main tube lines crossing the city (the red and the blue) for quick connections to wherever you would need to go.

Loic

Thanks so much Loic! That's exactly what I need to know.

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