This is the 290th most frequent Swedish word.
staden
"The city"
'Staden' is the subject of the sentence, referring to a specific city that is described positively after being experienced.
Staden jag besökte förra sommaren var fantastisk.
The city I visited last summer was fantastic.
'Staden' is used as the location where an action (planning the park) is taking place, indicating specificity.
De planerar en ny park i staden för att förbättra miljön.
They are planning a new park in the city to improve the environment.
'Staden' serves as the object of the infinitive verb 'upptäcka' (to discover), demonstrating its role in affecting or being affected by the action.