Questions & Answers about El progreso en mi español me da más confianza.
In Spanish, abstract nouns often take the definite article more often than in English. So El progreso sounds natural, where English would usually just say progress.
Here, El progreso en mi español means something like the progress in my Spanish or more naturally my progress in Spanish.
You could also say Mi progreso en español, but El progreso en mi español is perfectly understandable and focuses a bit more on the idea of progress itself.
The preposition en here means in or with regard to. So el progreso en mi español means the progress in my Spanish.
It does not mean physical location. It is talking about the area in which the progress is happening.
Similar examples:
- He mejorado en matemáticas = I’ve improved in maths
- Tengo dificultades en gramática = I have difficulties in grammar