en

1. in, at, on
2. in (a time)
3. in (a language)
4. used after some verbs and translated by various prepositions in English
5. in (in various expressions)

la

• Article

  the

• Pron
• Noun

zona

zone, district, area

septentrional

northern

discurre

1. inflection of discurrir:
2. inflection of discurrir:

el

masculine singular definite article; the

río

• Noun

  river

• Verb