The #WWlgu tag of Bucuresti in is #RO321 (#ROlgu).
Check #WWlgu hashtags for a brief explanation on this kind of hashtag.
Check Your community leading sustainable development? #WWlgu for #LocalizingSDGs for the #WWlgu hashtags of local government units in other countries.
Sustainable development in Bucuresti?
Curated open data for Bucuresti
In the media
With a hashtag per city or local government unit, anyone can tag content about the city or local government unit, and share it via social media as explained at #tags in support of easy information retrieval (video on YouTube).
If you publish a website or blog, you can also embed the Twitter timeline of a hashtag as explained at How to embed a #tag timeline in your website of blog? (Video on YouTube). There is a Twitter timeline embedded at #udhr19 - Freedom of opinion & expression; to seek & receive information.