The 4 districts of Bratislava - I, II, III, IV - including google map links
There are 4 districts in Bratislava which contain different neighbourhoods
Bratislava 1 - Stare Mesto
The old town
https://goo.gl/maps/JSaj34YPxdLZC2jx5
https://en.wikipedia.org/wiki/Old_Town,_Bratislava
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Bratislava II
It covers the south-eastern part of Bratislava, including the boroughs of Ružinov, Podunajské Biskupice and VrakuňaRuzinov. https://goo.gl/maps/2QLGXshwo6h8XGqV7
Ružinov is the city's second most populated borough, housing over 70,000 inhabitants and its Nivy neighborhood is the place of the emerging new city center of Bratislava
Ruzinov: https://goo.gl/maps/6AVpPQk56f37PPEf7 and https://en.wikipedia.org/wiki/Ru%C5%BEinov
Vrakuňa: https://goo.gl/maps/97nvRS46gujyxjE77
Podunajské Biskupice: https://goo.gl/maps/rNrAAZntKqukCZA6A
Bratislava III
Includes the boroughs of Nové Mesto, Rača and Vajnory. It has an area of 75 km² and 61,418 inhabitants: https://goo.gl/maps/pqsVbgePRxKmjz5d6
Nové Mesto: https://goo.gl/maps/o5KTJVsyeim1B7PA8
Rača: https://goo.gl/maps/WzuAS79hxzghPqpU8
Vajnory: https://goo.gl/maps/UTqisoYnCwr9ZSy78
Bratislava IV
Is the largest Bratislava district and covers the north-western parts of Bratislava, including the boroughs of Devín, Devínska Nová Ves, Dúbravka, Karlova Ves, Lamač and Záhorská Bystrica.
https://goo.gl/maps/7MyBsPdifADPjMCE6