Canto 1 - Boyhood
Bāla-kāṇḍa
Chapter 1: Contents of the Rāmāyaṇa Summarized
Text 1.1.71

तत्र लङ्कां समासाद्य पुरीं रावणपालिताम्।
ददर्श सीतां ध्यायन्तीमशोकवनिकां गताम्॥

tatra laṅkāṁ samāsādya purīṁ rāvaṇa-pālitām
dadarśa sītāṁ dhyāyantīm aśoka-vanikāṁ gatām

tatra = there; laṅkām = Laṅkā; samāsādya = reached and; purīm = the city; rāvaṇa-pālitām = protected by Rāvaṇa; dadarśa = saw; sītām = Sītā; dhyāyantīm = meditating [on Lord Rāma]; aśoka-vanikām = Aśoka-vana; gatām = who had gone to.

Hanumān reached Laṅkā, the city protected by Rāvaṇa and saw Sītā who had gone to Aśoka-vana there, meditating [on Lord Rāma].

Aśoka-vana was a garden in [Rāvaṇa’s] inner quarters. Sītā was uninterruptedly and exclusively remembering Lord Rāma.