The move gives Yanda the chance to gain regular senior football away from Munich after training extensively with Bayern's first team without making the breakthrough into competitive matches.
Yanda had been playing for Bayern's reserve side in the Regionalliga while training alongside the senior squad on a regular basis, a common pathway for the club's most promising academy prospects.
Born in Hamburg, he moved to Bayern Munich's youth setup in 2025 after coming through the ranks at FC St. Pauli, and his rapid inclusion in first-team training sessions marked him out as one of the more highly regarded young defenders in the club's academy.
The move to Eldense represents a significant step up in terms of the level of senior competition Yanda will now face, with Segunda División offering considerably tougher and more consistent opposition than Regionalliga football in Germany.
Bayern's approach of loaning out promising teenagers to competitive leagues abroad has become an increasingly common feature of their player development strategy in recent years, with the club preferring to expose young talents to senior football at a challenging level rather than leaving them to progress solely through domestic youth and reserve football.
Should Yanda impress during his season in Spain, he would return to Munich with significantly more senior experience under his belt, strengthening his case for a longer-term role in Bayern's plans.
For now, though, the immediate focus for both player and club is on ensuring he gets consistent playing time in a competitive environment, something Eldense are expected to provide as he continues his development on Spanish soil this season.
The loan continues a pattern seen across several of Bayern's academy graduates in recent years, with the club increasingly willing to send even its most promising prospects abroad rather than keeping them in Germany for reserve-team football that offers less competitive intensity.
For a left-back still only 18, regular senior minutes in a demanding Segunda División environment are likely to prove far more valuable to his development than continuing to train with the first team without any prospect of regular match action this season.